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Transformateur à découpage : X-B8001-048 Flyback Transformer 5W Agrandir l'image

Transformateur à découpage : X-B8001-048 Flyback Transformer 5W

Description

Very low profile flyback transformer in EFD format for a 5 Watts DC/DC converter.

  • Low profile (< 11mm height).
  • Low cost solution.
  • SMD terminals.
  • Flat top allowing easy pick and place mounting.
  • Very low AC losses.
  • Capable to operate at high switching frequencies (up to 300kHz).
  • Splitted primary winding allowing low leakage inductance (<500nH).
  • Multiple output design (5Vdc / 1Amp or 10Vdc / 0.5Amp).
  • Auxiliar winding (15 Vdc) to supply PWM controller included.
  • Operating temperature up to 105ºC.
Electrical specification : 
  • Topology: Flyback discontinuos mode.
  • Input voltage: 36 to 72 Vdc.
  • Output voltage: 2 x 5 Vdc and 1 x 10 Vdc (connecting secondaries in series).
  • Output Power: 5 Watts max.
  • Switching frec.: 100 – 300 kHz.
  • Duty cycle max: 0.45.
  • Inductance (P): 322 µH ± 10% (measured at 10kHz, 250mVac).
  • Leakage inductance: 500 nH max (measured in primary all secondaries short).
  • Turns ratio (P:Aux:S1:S2): 32 : 12 : 5 : 5.
  • Isolation: Prim to Sec = 1500 Vac.
  • Total losses: 0.3 Watt max (with 5 W output power).
  • Operating temp: -25 to 105 ºC.
  • Storage temp: -40 to 155 ºC.
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